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3 years ago

Can someone help me out rq pls? Much would be appreciated.

Mathematics

1 answer:

stich3 [128]3 years ago

8 0

I think your answer is B. -1/2

Explanation: the rise is -4 and the run is 8. If u divide those by 2, you get -2 and 4. You divide that by half and get -1/2??

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Evaluate each expression

qwelly [4]

Step-by-step explanation:

a = 2
b = 3
c = 5

$\longrightarrow \rm{{\Bigg ( \dfrac{a}{b} \Bigg )}^c} \\ \\ \longrightarrow \rm{{\Bigg ( \dfrac{2}{3} \Bigg )}^5} \\ \\ \qquad \qquad \bigstar \: \boxed{ \bf{ \Bigg ({\frac{x}{y} \Bigg )}^{m} = \frac{ {x}^{m} }{ {y}^{m}} }} \\ \\ \longrightarrow \rm{ \frac{ {(2)}^{5} }{ {(3)}^{5} } } \\ \\ \longrightarrow \bf{ \frac{ 32 }{ 243} }$

Therefore, 32/243 is the answer.

3 0

3 years ago

Which two sets of events are most likely independent

guapka [62]

Answer:

A and B

Step-by-step explanation:

In A the color of the student's eyes doesn't determine the gender of the person so event B doesn't depend on A

In B it is also the same thing. Liking iced tea doesn't mean you automatically sing in a choir

In C event A depends on even B. Practicing free throws can help you in joining a team which makes B dependent on group A

Finally, In D event A is dependent on B. Doing homework can most likely help you pass a test

3 0

3 years ago

A hatchling turtle has a shell with a 1 inch diameter.

LuckyWell [14K]

So what that question is asking you is

5 0

3 years ago

The indicated function y1(x) is a solution of the given differential equation. Use reduction of order or formula (5) in Section

lisabon 2012 [21]

Answer:

$\therefore y_2(x)=-\frac{e^{-6x}}{8}$

The general solution is

$y=c_1e^{2x}-c_2.\frac{e^{-6x}}{8}$

Step-by-step explanation:

Given differential equation is

y''-4y'+4y=0

and $y_1(x)=e^{2x}$

To find the $y_2(x)$ we are applying the following formula,

$y_2(x)=y_1(x)\int \frac{e^{-\int P(x) dx}}{y_1^2(x)} \ dx$

The general form of equation is

y''+P(x)y'+Q(x)y=0

Comparing the general form of the differential equation to the given differential equation,

So, P(x)= - 4

$\therefore y_2(x)=e^{2x}\int \frac{e^{-\int 4dx}}{(e^{2x})^2}dx$

$=e^{2x}\int \frac{e^{-4x}}{e^{4x}}dx$

$=e^{2x}\int e^{-4x-4x} \ dx$

$=e^{2x}\int e^{-8x} \ dx$

$=e^{2x}. \frac{e^{-8x}}{-8}$

$=-\frac{e^{-6x}}{8}$

$\therefore y_2(x)=-\frac{e^{-6x}}{8}$

The general solution is

$y=c_1e^{2x}-c_2.\frac{e^{-6x}}{8}$

4 0

3 years ago

Someone please help me on this.

Naddik [55]

Answer:

$36n^2+12n+1$

Step-by-step explanation:

Foil the equation!

1. You see that is to the second power so it means this $(6n+1)*(6n+1)$

2. Then you use the Foil method. First, Outside, Inside, and Last.

3. Combined like terms

4. Answer!

A tip you can use to avoid Foil is this mental math trick: (Keep in mind this only works if the polynomial is being squared.)

1. Multiply the first number by itself = $6n *6n = 36n^2$

2. Add the first number by itself = $6n+6n = 12n$

3. Multiply the last number by itself = $1*1 =1$

4. Combined to form your answer = $36n^2+12n+1$

NOTE: This is the same thing as a foil but it uses mental math so it takes less time!

8 0

2 years ago